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日期:2024-07-19
2013年2月22日 - Your error is because the element isn't dynamically allocated; the vector is. What you're trying to do would require: void func() { vector vec; ......
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日期:2024-07-14
2009年1月27日 - My current code to the effect of: if( objectPointer != NULL){ delete ... Always initialize your pointers to NULL (that is, 0). ... You don't need to check ......
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日期:2024-07-13
2013年7月31日 - Currently your thread task returns some value on the stack of the thread. When the thread finishes there is no guarantee that *temp will point to ......
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日期:2024-07-20
2012年10月18日 - Most likely its the missing return statement. Then in your main method the Settings local object is never initialized. Then its scope ends and the ......
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日期:2024-07-18
2013年12月10日 - From the documentation, void free (void* ptr);. ptr:: Pointer to a memory block previously allocated with malloc, calloc or realloc. So, you should first ......
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日期:2024-07-13
2012年6月1日 - You should get into the habit of setting things to NULL after freeing them: free(work->u); free(work->w); free(work->v); free(work->b); free(work->rv1); ......
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日期:2024-07-18
The only way to avoid this bug is to draw pictures of each step of the program and make sure that all pointers point somewhere. Invalid pointer references cause ......
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日期:2024-07-18
Writes via unchecked pointer dereferences rank high among vulnerabilities most often exploited by malicious code. The most common attacks use an ......